Question #147820 on DOLFIN changed: https://answers.launchpad.net/dolfin/+question/147820
Kent-Andre Mardal proposed the following answer: Could you send be the file ? Kent On 4 March 2011 21:30, JJ Jiang <[email protected]>wrote: > Question #147820 on DOLFIN changed: > https://answers.launchpad.net/dolfin/+question/147820 > > Status: Answered => Open > > JJ Jiang is still having a problem: > Hi Johan and Kevin, > Thanks for the notes. I think you can dump simulated temperature or mass > to raw files. That can be manipulated when the mesh data are also given > either in a vtu format or in a raw format. > By the way, I used Paraview to see the simulated "temperature" scalar > has been attached to a vtu. Surprisingly, I couldn't read it out by its > name. I don't know why. > I guess Johan's suggestions will give users more flexibilities to handle > the data. > Thanks again to both of you. > Best regards, > --JJ > > On 03/04/11, Johan Hake wrote: > > Your question #147820 on DOLFIN changed: > > https://answers.launchpad.net/dolfin/+question/147820 > > > > Johan Hake proposed the following answer: > > Maybe Viper could provide a high level interface to read a vtu file into > a > > NumPy array, and a mesh into a coordinate and cell arrays? > > > > Then we eventually can use this to pass data to Viper for plotting in the > C++ > > interface. This might fix the parallel ploting issue we have. > > > > It would also be cool to implement a helper function in the Python > interface > > of DOLFIN that uses the potential added functionality in Viper to > generate a > > Function, with or without a given mesh. A FunctionSpace could be > automatically > > generated based on the dimensions of the data (is this true?) If a mesh > is not > > given we generate it based on the stored mesh data from the file. > > > > Johan > > > > > > On Friday March 4 2011 11:30:52 Kent-Andre Mardal wrote: > > > Question #147820 on DOLFIN changed: > > > https://answers.launchpad.net/dolfin/+question/147820 > > > > > > Status: Open => Answered > > > > > > Kent-Andre Mardal proposed the following answer: > > > You should be able to use GetPointData().GetArray(). Have you looked at > the > > > name of the variable in the vtu file? It is in ASCII format. > > > > > > I attach something I did earlier. > > > > > > Kent > > > > > > On 4 March 2011 19:34, JJ Jiang > > > > > > <[email protected]>wrote: > > > > New question #147820 on DOLFIN: > > > > https://answers.launchpad.net/dolfin/+question/147820 > > > > > > > > Hi all, > > > > > > > > I am running into a problem. I run the advection-diffusion demo. All > the > > > > > > > > simulated mass transport quantities u were save to a vtk PVD file > with an > > > > unstructured mesh. > > > > > > > > My question is how to read out the u from the associated individual > vtu > > > > files. I thought the u is attached to either PointData or CellData > so > > > > that I can read out the scalar u using one of the following: > > > > grid->GetPointData()->GetArray('name'); > > > > or > > > > grid->GetCellData()->GetArray('name'); > > > > > > > > But my attempts have failed. Please provide your advice. Thanks so > much > > > > for your help! > > > > > > > > Best regards, > > > > --JJ > > > > > > > > > > > > -- > > > > You received this question notification because you are a member of > > > > DOLFIN Team, which is an answer contact for DOLFIN. > > > > > > > > _______________________________________________ > > > > Mailing list: https://launchpad.net/~dolfin > > > > Post to : [email protected] > > > > Unsubscribe : https://launchpad.net/~dolfin > > > > More help : https://help.launchpad.net/ListHelp > > > > -- > > If this answers your question, please go to the following page to let us > > know that it is solved: > > > https://answers.launchpad.net/dolfin/+question/147820/+confirm?answer_id=1 > > > > If you still need help, you can reply to this email or go to the > > following page to enter your feedback: > > https://answers.launchpad.net/dolfin/+question/147820 > > > > You received this question notification because you are a direct > > subscriber of the question. > > -- > +++++++++++++++++++++++++++++++++++ > Jingfeng Jiang (JJ) > University of Wisconsin > Medical Physics Department > 1530 Medical Sciences Center > 1300 University Avenue > Madison, WI 53706 > Phone: (608) 262-4197 > FAX: (608) 262-2413 > +++++++++++++++++++++++++++++++++++ > > You received this question notification because you are a member of > DOLFIN Team, which is an answer contact for DOLFIN. > > _______________________________________________ > Mailing list: https://launchpad.net/~dolfin > Post to : [email protected] > Unsubscribe : https://launchpad.net/~dolfin > More help : https://help.launchpad.net/ListHelp > -- You received this question notification because you are a member of DOLFIN Team, which is an answer contact for DOLFIN. _______________________________________________ Mailing list: https://launchpad.net/~dolfin Post to : [email protected] Unsubscribe : https://launchpad.net/~dolfin More help : https://help.launchpad.net/ListHelp
